Find out number of data lines required to interface 16 LEDs arrange in the 4 x 4 matrix form.

Find out number of data lines required to interface 16 LEDs arrange in the 4 x 4 matrix form.
by

1 Answer

Answer :

4+4=8, eight lines are required for 4x4 matrix of 16 LEDs
by

Related questions

A minimum clearance of 6.3 m to ground is required for overhead lines when operating voltages are :

Description : A minimum clearance of 6.3 m to ground is required for overhead lines when operating voltages are :  (A) less than 66 kV (B) lie between 66 kV and 110 kV (C) more than 165 kV (D) lie between 110 kV and 165 kV

Last Answer : A minimum clearance of 6.3 m to ground is required for overhead lines when operating voltages are : lie between 66 kV and 110 kV

State the effects of low power factor on efficiency and voltage regulation of short transmission lines.

Description : State the effects of low power factor on efficiency and voltage regulation of short transmission lines. 

Last Answer : i) Effect of Low power factor on efficiency:- When power factor of load reduces current drawn by transmission line increases so copper losses in transmission line increases, hence transmission ... increases, so voltage drop in transmission line increases so regulation increases. (Become Poor) 

State the classification of transmission lines depending on length of transmission lines.

Description : State the classification of transmission lines depending on length of transmission lines. 

Last Answer : A) According to Voltage level: ( 2 Marks)  a) High voltage Transmission Line (HV) up to 33 KV  b) Extra High Voltage Transmission Line (EHV) above 33 KV up to 400 KV  c) Ultra ... Transmission Line: - The length of Long transmission Line is above 200KM and its line voltage is above 100KV

Why are overhead transmission lines not insulated?

Description : Why are overhead transmission lines not insulated?

Last Answer : Insulators are useful to help separate electrical conductors when they come into physical contact. Overhead Transmission Lines Are Not Insulated: The overhead transmission line is carrying extreme high voltage and ... a whole lot of thick insulation to absorb the heat produced by such high voltage.

Why don't we burry power lines underground ?

Description : Why don't we burry power lines underground ?

Last Answer : Because conductor used for power transmission are not insulated and if we do so it create phase to ground fault causing interruptions to supply.

Define magnetic lines of force. Also draw and show magnetic lines of force of a bar type magnet.

Description : Define magnetic lines of force. Also draw and show magnetic lines of force of a bar type magnet.

Last Answer : Magnetic Lines of force- These are the imaginary lines (having no physical existence) introduced by Faraday for the pictorial representation of the distribution of a magnetic field.  OR  A line of ... that the tangent at any point gives direction of the resultant force at that point. 

Define magnetic lines of force. Show the magnetic lines of force for bar type magnet.

Description : Define magnetic lines of force. Show the magnetic lines of force for bar type magnet.

Last Answer : Magnetic linens of force is the imaginary lines for magnetic field of magnet around it. These magnetic lines of forces are introduced by Michael Faraday. The direction of lines of force is from N-pole to S-pole. The figure shows lines of force for bar type magnet.

In which of the following transmission lines, the value of the Shunt admittance should be

Description : In which of the following transmission lines, the value of the Shunt admittance should be approximated to zero ? (A) A 66 kV 35 km long line (B) A 132 kV 200 km long line (C) A 220 kV 300 km long line (D) A 400 kV 500 km long line

Last Answer : In which of the following transmission lines, the value of the Shunt admittance should be approximated to zero ? (A) A 66 kV 35 km long line (B) A 132 kV 200 km long line (C) A 220 kV 300 km long line (D) A 400 kV 500 km long line

The purpose of guard ring in transmission lines is to

Description : The purpose of guard ring in transmission lines is to  (1) reduce the earth capacitance of the lowest unit. (2) increase the earth capacitance of the lowest unit. (3) reduce the transmission lines losses. (4) reduce the reactance of the line

Last Answer : The purpose of guard ring in transmission lines is to reduce the earth capacitance of the lowest unit.

In tuned power lines, on load :

Description : In tuned power lines, on load :  (A) the receiving end voltage is numerically equal to the sending end voltage  (B) the receiving end current is numerically equal to the sending end current  (C) there is no voltage drop  (D) all the above

Last Answer : In tuned power lines, on load :  (A) the receiving end voltage is numerically equal to the sending end voltage  (B) the receiving end current is numerically equal to the sending end current  (C) there is no voltage drop  (D) all the above

Which of the following is the name given to the lines of electric force which move so that its beginning traces

Description : Which of the following is the name given to the lines of electric force which move so that its beginning traces a closed curve on a positive surface and its end traces a corresponding closed curve on the negative surface? A) Tube of surface B) Tube of lines C) Tube of force D) Tube of electricity

Last Answer : Which of the following is the name given to the lines of electric force which move so that its beginning traces a closed curve on a positive surface and its end traces a corresponding closed curve on the negative ... A) Tube of surface B) Tube of lines C) Tube of force D) Tube of electricity

Corona loss in transmission lines can be reduced by

Description : Corona loss in transmission lines can be reduced by (A) using small diameter conductors (B) using bundled conductors (C) using less spacing between conductors (D) increasing the transmission line voltage

Last Answer : Corona loss in transmission lines can be reduced by using bundled conductors

If a 5-bus test system contains 6 transmission lines and one transformer, how many non- zero elements are

Description : If a 5-bus test system contains 6 transmission lines and one transformer, how many non-zero elements are there in the system Y-bus ? (A) 25 (B) 12 (C) 11 (D) 19

Last Answer : If a 5-bus test system contains 6 transmission lines and one transformer, 19 non-zero elements are there in the system Y-bus.

Overhead lines for power supply to tramcars are at a minimum height of?

Last Answer : Overhead lines for power supply to tramcars are at a minimum height of 10 m.

Series capacitors on transmission lines are of little use when the load VAR requirement is?

Last Answer : Series capacitors on transmission lines are of little use when the load VAR requirement is small.

Why ACSR conductor is used for overhead lines?

Description : Why ACSR conductor is used for overhead lines?

Last Answer : It has high tensile strength 

Calculate the size of memory address space for a 16 bit data and 20 bit address bus.

Description : Calculate the size of memory address space for a 16 bit data and 20 bit address bus. A) 1 MB B) 2 MB C) 3 MB D) 4 MB

Last Answer : Calculate the size of memory address space for a 16 bit data and 20 bit address bus. A) 1 MB B) 2 MB C) 3 MB D) 4 MB

What are the hydraulic data required for designing a pump capacity?

Description : What are the hydraulic data required for designing a pump capacity?

Last Answer : Ans: Following are the hydraulic data required for designing the pump capacity a. The depth of the Bore or well (suction height/ below ground level) b. The delivery light. c. The yield of the Borewell. d. The horizontal distance of the pumping from bore well where planned to deliver.

How do I make a simple aid to carry packages up flights of stairs?

Description : How do I make a simple aid to carry packages up flights of stairs?

Last Answer : A back pack is the most efficient way but would not work for furniture. Are there windows on the stairs where you could hoist things up on the end of a rope in a bag or basket?

When you're on line at a store and you have 10+ items, and you notice that the person behind you has only one item, do you let that person "cut" you?

Description : When you're on line at a store and you have 10+ items, and you notice that the person behind you has only one item, do you let that person "cut" you?

Last Answer : Do you mean cut in front of you in the line? If so, always. However, I would not be happy to let a person cut me.

Where can I find a list of data connections?

Description : Where can I find a list of data connections?

Last Answer : I’m unclear on your question. Are you trying to find the technical specifications for these things? If so, I’d start with google vga technical specification to get something you can start to work with.

Is there any data on costs/losses associated with non payers in the health care system?

Description : Is there any data on costs/losses associated with non payers in the health care system?

Last Answer : In the medical literature there are lots of articles that try to quantify the cost associated with non payers in the US health care system. Unfortunately it comes down to interpretation of statistics ... sense of other peoples statistics. Anyhoo have a look at this article from Health Affairs 2008.

How can I recover data from my deleted Facebook account?

Description : How can I recover data from my deleted Facebook account?

Last Answer : answer:Download your information This does require that your facebook account be active, though. They do maintain your data for at least 30 days, so if it hasn't been that long since you deleted your ... 're not going to get things like usage/marketing data on you or other statistical data on you.

Would it be at all possible to recover data of a deleted Facebook profile?

Description : Would it be at all possible to recover data of a deleted Facebook profile?

Last Answer : If you reinstate your account it should just bring (most) of it back up, instantly.

What is your data backup system?

Description : What is your data backup system?

Last Answer : answer:My mom uses Carbonite, which I believe just came in very handy after she got a virus and lost the contents of her hard drive. I have not used it personally, though, so I can't speak for it. Myself ... ago and had to wipe my HD. Thank god I had that 150 gig external drive to save all my stuff!

Is 100mb a good data plan for 19.99 on AT&T?

Description : Is 100mb a good data plan for 19.99 on AT&T?

Last Answer : No because 30 a month will get you unlimitted data. Some phones are actually only 20 a month like the first iPhone.

What exactly is push data, and what does it push?

Description : What exactly is push data, and what does it push?

Last Answer : I think you're right. Push data transfers automatically to your phone. If you have an iPhone and a MobileMe account, calender and contact info that you update on your desktop are automatically sent to your ... to launch the mobile app, like Mail or Calender, and have it ask the server for updates.

Mention The Different Types Of Data Transfers Possible In The 8085.?

Description : Mention The Different Types Of Data Transfers Possible In The 8085.?

Last Answer : Answer :The various types of data transfer operations possible are: Data transfer is possible between two registers. It is also possible between a memory location and a register. Also it can occur between ... . In reality data is never transferred it can only be copied from one location to another.

Mention The Steps In The Interrupt Driven Mode Of Data Transfer.?

Description : Mention The Steps In The Interrupt Driven Mode Of Data Transfer.?

Last Answer : Answer :The steps followed in this type of transfer are as follows: The peripheral device would request for an interrupt. The request acknowledgement for the transfer is issued at the end of ... coordinates by the ISS. Again the Interrupt system is enabled and the above steps are repeated.

Data logger and its application

Description : Data logger and its application

Last Answer : Data logger and its application:- A data logger or data recorder is an electronic device that records data over time or in relation to location either with a built in instrument or sensor ... Testing (including crash testing) 8) Motor Racing 9) Monitoring of relay status in railway signalling.

What is the need of data converters? List specifications of DAC.

Description : What is the need of data converters? List specifications of DAC.

Last Answer : Need of data converters:  It is often necessary that before processing the analog data, by a digital system, it should be changed to an equivalent digital form. Similarly, after processing the data, it ... 4. Temperature sensitivity 5. Settling time 6. Speed 7. Long term Drift 8. Supply rejection

Which unit holds data permanently?

Description : Which unit holds data permanently?  (A) Input unit (B) Secondary storage unit (C) Output Unit (D) Primary Memory Unit

Last Answer : Which unit holds data permanently?  (A) Input unit (B) Secondary storage unit (C) Output Unit (D) Primary Memory Unit

Which of the following is the product of data processing:

Description : Which of the following is the product of data processing:  (A) Information (B) Data (C) Software programme (D) System

Last Answer : Which of the following is the product of data processing: Information 

Explain data transfer mechanism in I2C protocol.

Description : Explain data transfer mechanism in I2C protocol. Compare it with CAN and USB protocol based on bit rate and area of applications.

Last Answer : I2C (Inter-Integrated Circuit): I2C stands for Inter-Integrated Circuit. I2C is a serial protocol. It was developed by Philips Semiconductor. I2C bus have two communication lines. One is serial data ( ... Mbps this is used for lower speed devices. Using USB we can connect upto 127 devices.

What is Data Acquisition System (DAS) ?

Description : What is Data Acquisition System (DAS) ?

Last Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

What factors do YOU think have contributed to the increasing divorce rates since the 70's?

Description : What factors do YOU think have contributed to the increasing divorce rates since the 70's?

Last Answer : The slow realization by women that they are people, too. That they deserve happiness and fulfillment, and that those things don’t happen just because they’re married. That they can be self sufficient, independent, and strong on their own.

Twisted pair or Coaxial (kind of technical, see details)

Description : Twisted pair or Coaxial (kind of technical, see details)

Last Answer : answer:There are economics that get into the picture here, too. The cable company will have bandwidth caps (300gb/month) whereas the fiber provider is less likely to. At a distance of 1000 feet, coax ... which wires tend to expand. Will you see a difference in speed at that distance? Probably not.

How do they make sure the signals being sent by Voyager get to earth in a state we can read?

Description : How do they make sure the signals being sent by Voyager get to earth in a state we can read?

Last Answer : answer:Every datacom (even on earth) has some sort of error correcting mechanism. In the early days they used parity checking, but now there are far more sophisticated ways to calculate a ... on your cell phone, your internet connection, and even your telephone, except much more sophisticated.

How can I recover large text strings Excel changed into # symbols?

Description : How can I recover large text strings Excel changed into # symbols?

Last Answer : I think I’d use a simple text program like Notepad to open the files and see if the URLs are stored in the file. If not, you are well and truly screwed would be my guess.

How can I create this graph in Excel with a table of start and end times?

Description : How can I create this graph in Excel with a table of start and end times?

Last Answer : answer:That is pretty advanced graphing. If you need to develop complex statistical or engineering analyses, you can save steps and time by using the Analysis ToolPak. You provide the data and parameters for ... is not listed in the Add-Ins available box, click Browse to locate it. From Excel Help

Isn't "mad science" actually "mad engineering"? Can you find me an example of "mad science" in popular media?

Description : Isn't "mad science" actually "mad engineering"? Can you find me an example of "mad science" in popular media?

Last Answer : I think you're looking in the wrong place mad science is every time plastic surgery is performed every time a commentator uses fiery retoric to incite people whenever religious NUTS use a god ... shit Oh surely you can evoke Pavlovian responses from people, are you looking for hard science?

Can you recommend a site for online questionnaires?

Description : Can you recommend a site for online questionnaires?

Last Answer : I’ve used form assembly before, and it has worked well for me.

Anywhere I can get current U.S. birth rate stats by ethnic group?

Description : Anywhere I can get current U.S. birth rate stats by ethnic group?

Last Answer : This page from the Statistical Abstract of the United States 2010 will do it for you. Just be aware that the data from the current census are not tabulated yet so the information will be somewhat older.

How can I apply an excel formula to every seventh line?

Description : How can I apply an excel formula to every seventh line?

Last Answer : answer:I just did this: =IF(MOD(ROW(),7)=0,SUM(A1:A7),0) and it works. your formula doesn’t have anything to do if the mod result comes up false.

Where can you find a Wal-Mart Growth Chart?

Description : Where can you find a Wal-Mart Growth Chart?

Last Answer : answer:Yahoo! Finance and Wal-Mart Corporate website

Who has experience resurrecting a harddrive with a seriously fsck'ed up FAT?

Description : Who has experience resurrecting a harddrive with a seriously fsck'ed up FAT?

Last Answer : Sorry Fenris, the only solution I can offer after all you’ve tried is advanced data recovery from a company like Ibas. It’s not cheap tho:-(

Windows software for making nice graphs?

Description : Windows software for making nice graphs?

Last Answer : Microsoft Excel.

Where can I find a mac utility or terminal script to read the contents of a smart card?

Description : Where can I find a mac utility or terminal script to read the contents of a smart card?

Last Answer : You “found” a reader, and then you “found” a card. I know, ask at your local Police station – Police Officers can be very helpful when dealing with “found” items. (The data is proprietary and encrypted – if you don’t have the appropriate software it won’t do you any good.)

Anyone with FlexPay from T-Mobile and a Blackberry, please help!

Description : Anyone with FlexPay from T-Mobile and a Blackberry, please help!

Last Answer : I don’t believe there are any carriers who will sell you a data plan without a voice plan. It’s their job to suck as much money out of you as possible.

What is the average age of fluther users?

Description : What is the average age of fluther users?

Last Answer : I’m 27! Kinda young, I know… LOL!!